Ao, the Dawn Sky + Mortuary + Clone

Ao, the Dawn Sky

Mortuary

Clone

How it works

1. Cast Clone by paying its mana cost. Choose to have it enter the battlefield as a copy of Ao.
2. Put Clone into your graveyard due to the legend rule.
3. When Clone dies, it and Mortuary trigger.
4. Resolve the Mortuary trigger, putting Clone from your graveyard onto the top of your library.
5. Resolve the Clone trigger, causing you to look at the top seven cards of your library and put Clone onto the battlefield as a copy of Ao.
6. Repeat from step 2.